143231430440 has 64 divisors (see below), whose sum is σ = 368475212160. Its totient is φ = 49085809920.

The previous prime is 143231430427. The next prime is 143231430449. The reversal of 143231430440 is 44034132341.

It is a happy number.

143231430440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143231430449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514010 + ... + 742070.

It is an arithmetic number, because the mean of its divisors is an integer number (5757425190).

Almost surely, 2^143231430440 is an apocalyptic number.

143231430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143231430440 is an abundant number, since it is smaller than the sum of its proper divisors (225243781720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143231430440 is a wasteful number, since it uses less digits than its factorization.

143231430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230322 (or 230318 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 143231430440 its reverse (44034132341), we get a palindrome (187265562781).

The spelling of 143231430440 in words is "one hundred forty-three billion, two hundred thirty-one million, four hundred thirty thousand, four hundred forty".